more than 4GB RAM, then the PAE version is required to be able to access the whole memory.

4GB or less RAM, then using the PAE version may be still possible/desirable. This is because of the No Excute feature (see below). Note, however, there may be a performance penalty using PAE (see Related Webpages).

For advance users compiling there own kernel configuration. There can be chosen one of these three SYMBOLS (kernel 3.4.9S)

Symbol: NOHIGHMEM
If you are compiling a kernel which will never run on a machine with more than 1 Gigabyte total physical RAM, answer "off" here (default choice and suitable for most users). Very Happy

Symbol: HIGHMEM4G

Select this if you have a 32-bit processor and between 1 and 4 gigabytes of physical RAM.

Symbol: HIGHMEM64G
Select this if you have a 32-bit processor and more than 4 gigabytes of physical RAM.